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EN 1.4374 Stainless Steel vs. EN 1.8823 Steel

Both EN 1.4374 stainless steel and EN 1.8823 steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4374 stainless steel and the bottom bar is EN 1.8823 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
25
Fatigue Strength, MPa 340
270
Impact Strength: V-Notched Charpy, J 90
48
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 550
340
Tensile Strength: Ultimate (UTS), MPa 800
530
Tensile Strength: Yield (Proof), MPa 400
360

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.6
Embodied Energy, MJ/kg 42
22
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
120
Resilience: Unit (Modulus of Resilience), kJ/m3 400
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 17
16

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0.050 to 0.1
0 to 0.16
Chromium (Cr), % 17.5 to 18.5
0 to 0.35
Copper (Cu), % 0 to 0.4
0 to 0.6
Iron (Fe), % 63.5 to 67.9
95.6 to 99.985
Manganese (Mn), % 9.0 to 10
0 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.13
Nickel (Ni), % 5.0 to 6.0
0 to 0.55
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.25 to 0.32
0 to 0.017
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.3 to 0.6
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.12